Inventor · disambiguated record
Shitomi Katayama
Also filed as: IWASHITA TAKEYASU · KATAYAMA SHITOMI
13 granted patents·269 citations·filing 1972–1981
93Inventor score
Top patents by PatentIndex Score
13 records- 0191US4341841AMulti-layer coating protective film formNHK SPRING CO LTD·Filed 1979·Granted Jul 27, 1982·55 cites·13 claims
- 0288US4340646AMulti-layer reflectorsNHK SPRING CO LTD·Filed 1979·Granted Jul 20, 1982·42 cites·10 claims
- 0383US4358507AMulti-layer reflectorsNHK SPRING CO LTD·Filed 1979·Granted Nov 9, 1982·44 cites·9 claims
- 0473US4457587AReflector and method for manufacturing the sameNHK SPRING CO LTD·Filed 1981·Granted Jul 3, 1984·26 cites·29 claims
- 0571US4457598AReflector and method for manufacturing the sameNHK SPRING CO LTD·Filed 1981·Granted Jul 3, 1984·23 cites·26 claims
- 0671US4448855AHeat resistant reflectorYOKOHAMA KIKO CO·Filed 1979·Granted May 15, 1984·25 cites·8 claims
- 0764US4364637AHighly reflective plastic reflector with crystalline inorganic film coatingNHK SPRING CO LTD·Filed 1979·Granted Dec 21, 1982·19 cites·6 claims
- 0857US4431268AReflector and method for manufacturing the sameNHK SPRING CO LTD·Filed 1981·Granted Feb 14, 1984·15 cites·25 claims
- 0947US3937764APolymer electrolytesDENKI ONKYO CO LTD·Filed 1972·Granted Feb 10, 1976·7 cites·18 claims
- 1040US4136079AUrea compound having carboxylate radical and method for producing the sameNHK SPRING CO LTD·Filed 1978·Granted Jan 23, 1979·6 cites·50 claims
- 1133US4156675AUrea polymer containing a sulfonate radical and method of preparing the same by a polymerization reaction of diaminosulfonate with diisocyanateNHK SPRING CO LTD·Filed 1978·Granted May 29, 1979·3 cites·51 claims
- 1229US4379199AHeat-resisting layer-constructions and method for preparing the sameYOKOHAMA KIKO CO·Filed 1981·Granted Apr 5, 1983·3 cites·5 claims
- 1322US4465711AHeat-resisting layer-constructions and method for preparing the sameYOKOHAMA KIKO CO LTD·Filed 1981·Granted Aug 14, 1984·1 cites·27 claims
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